Twinlab's Ripped Fuel Ephedra Free is geared towards people who are looking to reduce fat and promote lean muscle mass. Ripped Fuel's ephedra free groundbreaking formula combines effective Chromium, Caffeine, Skullcap Root, Cayenne, Rhodiola Rosea and more clinically proven ingredients to reduce fat, increase metabolic rate, and promote lean muscle mass. It's just two small tablets daily for increased definition for men and women!